RT Journal Article SR Electronic T1 Evaluating laparoscopic skills JF Canadian Journal of Surgery JO CAN J SURG FD Canadian Medical Association SP 470 OP 470 VO 42 IS 6 A1 Schlachta, Christopher M. A1 Mamazza, Joseph A1 Poulin, Eric C. YR 1999 UL http://canjsurg.ca/content/42/6/470.1.abstract